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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>课程表</title>
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<body>
<center>
    <h1>课程表</h1>
    <table border="2">
    <tr>
        <td>时间/时间</td>
        <td>星期一</td>
        <td>星期二</td>
        <td>星期三</td>
        <td>星期四</td>
        <td>星期五</td>
    </tr>
        <tr>
            <td rowspan="4" >上午</td>
            <td>1</td>
            <td>1</td>
            <td>1</td>
            <td>1</td>
            <td>1</td>
        </tr>
        <tr>
            <td>2</td>
            <td>2</td>
            <td>2</td>
            <td>2</td>
            <td>2</td>

        </tr>
        <tr>
            <td>3</td>
            <td>3</td>
            <td>3</td>
            <td>3</td>
            <td>3</td>

        </tr>
        <tr>
            <td>4</td>
            <td>4</td>
            <td>4</td>
            <td>4</td>
            <td>4</td>

        </tr>
        <tr>
            <td colspan="6" align="center">午休</td>
        </tr>
        <tr>
            <td rowspan="4">下午</td>
            <td>5</td>
            <td>5</td>
            <td>5</td>
            <td>5</td>
            <td>5</td>
        </tr>
        <tr>
            <td> </td>
            <td>7</td>
            <td>7</td>
            <td>7</td>
            <td>7</td>

        </tr>
        <tr>
            <td>8</td>
            <td>8</td>
            <td>8</td>
            <td>8</td>
            <td>8</td>

        </tr>
        <tr>
            <td>9</td>
            <td>9</td>
            <td>9</td>
            <td>9</td>
            <td>9</td>

        </tr>
    </table>
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